Illustrative Rendering:

TF2 Illustrative Rendering Video Tutorial: AVI

TF2 Illustrative Rendering Pdf Part One: PDF

TF2 Illustrative Rendering Pdf Part Two: PDF

Maps & Guides:

Click on each map image, for a custom level overview. Some maps have more than one, due to the amount of area involved. 1280 x 1024:

TF2Wiki.net: various guides and info

TweakGuides: updated for Episode 2 and TF:2

Clancya.org: scout quick dodge script